4 th test 3 rd day

India gained a crucial 86-run lead on an extremely tactical day's cricket - one that often resembled a cat-and-mouse game - through an amazing triple-strike in the middle session and four wickets shortly before stumps. Australia scored 166 runs in 85.4 overs, strangled by the pressure built up by defensive field placings and niggardly pace bowling in the morning session, and the loss of the last seven wickets for 100 runs undid a strong platform. Mahendra Singh Dhoni changed his tactics after lunch, giving Australia the opportunity to be aggressive, but they failed to overtake India's 441, Dhoni's plan worked out .